Founded in 2003, Sichuan Tongsheng is located in the industrial park of Deyang, Sichuan.  With biomedicine as the direction and innovation as the driving force, the company is committed to providing customized R & D services, production and sales of amino acids and derivatives, pharmaceutical key intermediates, food additives, cosmetics and raw materials of health care products.  At present, the company's leading varieties around amino acids, polypeptides and derivatives, the company adhering to the "life and environmental quality as the first, money production benefit as a supplement" business philosophy, in strict compliance with ISO9001:2008 and GMP management standards;  The company always takes product quality as the center, strictly implements USP, EP, AJI, JP and other industry standards;  Under the premise of maintaining the power of continuous progress and production protection, it ensures the high quality, high efficiency and high energy of the company's products.